goose-tansy vs silverweed

goose-tansy and silverweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
goose-tansy	Yes	No	No	No
silverweed	Yes	No	No	No

As nouns, goose-tansy and silverweed are synonyms defined as:

goose-tansy and silverweed: low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia

Other synonyms of goose-tansy include goose grass, Potentilla anserina.

goose-tansy (noun)	silverweed (noun)
low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia	any of various twining shrubs of the genus Argyreia having silvery leaves and showy purple flowers
	low-growing perennial having leaves silvery beneath; northern United States, Europe, Asia